Voynichese is a numeric cipher?

[ololololo]

How many known 15th century cipher documents are there that are full of illustrations?

This is not an argument.
In the case of VMS, it’s strange to say something like “is there a book like that?”
Find me a book that will look like VMS. It should include at least one quadrifolium, the same section with nymphs (Taccola is not accepted), the same section with herbs, with astrology, etc. Then your argument will make sense
At your leisure, think about whether there is something similar to the Rohonci or Copiale cipher (Stolfi know that these are my favorite examples, and I will not refuse to mention them here)

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I don't read Russian

Is this an argument against the cipher? Or what? I don’t understand what you’re trying to say.
Stolfi is right — if it were that simple, it would have been cracked. Maybe not right away and only partially, but it would have been cracked. But in my opinion, VMS is more unusual than complex.